SUMMER: Chicago to Basel, Switzerland for only $457 roundtrip
Summer flights from Chicago to Basel, Switzerland for only $457 roundtrip with KLM and Air France.
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Philadelphia to Basel, Switzerland for only $407 roundtrip
Cheap flights from Philadelphia to Basel, Switzerland for only $407 roundtrip with Lufthansa.
SUMMER: New York to Swiss cities from only $313 roundtrip
Summer flights from New York to Zurich, Basel or Lugano, Switzerland from only $313 roundtrip with Star Alliance airlines.
San Francisco or Los Angeles to Basel, Switzerland from only $391 roundtrip
Cheap flights from San Francisco or Los Angeles to Basel, Switzerland from only $391 roundtrip with American Airlines and Iberia.
ERROR FARE: London, UK to Basel, Switzerland (& vice versa) for only £6 roundtrip
Error Fare flights from London, UK to Basel, Switzerland for only £6 roundtrip!! Also works in reverse.
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